122b05001e48ea43db6c8defa932ac85 pmc_11639915.pdf d50b7469505c6bd4e46e2d488d9094843413b901 pmc_11639915.pdf c0224a85f58a39888b31753edba3356e11177e1e1cdd06d3027b35f227e22587 pmc_11639915.pdf Title: Effect of Longer Pre-Starter Diet Allowance on Post-Weaning Performance of Lightweight Piglets Subject: First-phase diets are formulated to help pigs reach a target body weight before switching to a more affordable diet. However, these transitions typically take place on a fixed schedule, which may disadvantage low-body-weight piglets due to their underdeveloped digestive systems and limited feed intake capacity. This study examined the effects of offering low-body-weight (BW) pigs a pre-starter diet until they reached a target BW on growth performance and BW variability. A total of 528 pigs ([Landrace Yorkshire] Pietrain), weaned at day 21, representing the smallest 50% of their batch, were divided into medium (5.35 0.31 kg) and small (3.97 0.21 kg) groups based on weaning BW. Pigs received a pre-starter diet either for 10 days (FIXED) or until they reached a target BW of 7.9 kg (TBW), followed by a starter feed. Growth performance between the TBW and fixed strategies was similar over the 36-day period. Overall, mortality was higher in small pigs, though small pigs fed using the fixed strategy showed higher mortality than the rest of the groups between days 10 and 36. This study concludes that offering a pre-starter diet based on target BW, instead of a fixed time, did not significantly improve growth performance or batch uniformity but reduced mortality in small pigs from days 10 to 36. Keywords: weaned pigs; mortality; target body weight Author: Francesc González-Solé, David Solà-Oriol, Sandra Villagómez Estrada, Ramon Muns and José Francisco Pérez Creator: LaTeX with hyperref Producer: pdfTeX-1.40.25 CreationDate: Tue Dec 3 02:35:33 2024 CET ModDate: Tue Dec 3 02:50:17 2024 CET Custom Metadata: no Metadata Stream: no Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 12 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 926423 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- UJJGOP+VnURWPalladioL-Bold Type 1 Custom yes yes yes 10 0 EGCZPK+URWPalladioL-Bold Type 1 Custom yes yes yes 16 0 VEMKAA+URWPalladioL-Roma Type 1 Custom yes yes yes 22 0 LMXGRT+URWPalladioL-Ital Type 1 Custom yes yes yes 27 0 NJAOJC+CMSY10 Type 1 Builtin yes yes yes 32 0 IBTYZX+VnURWPalladioL Type 1 Custom yes yes yes 37 0 MCJMLE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 77 0 MCJMLF+PalatinoLinotype CID TrueType Identity-H yes yes yes 80 0 MCJMLG+PalatinoLinotype TrueType WinAnsi yes yes no 86 0 MCJMLI+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 89 0 MCJOMN+DengXian CID TrueType Identity-H yes yes yes 92 0 CKBPVA+EURM10 Type 1 Builtin yes yes yes 102 0 MCJMLE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 117 0 MCJMLF+PalatinoLinotype CID TrueType Identity-H yes yes yes 120 0 MCJMLG+PalatinoLinotype TrueType WinAnsi yes yes no 126 0 MCJMLI+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 129 0 MCJNCG+PalatinoLinotype TrueType MacRoman yes yes no 132 0 MCJOMN+DengXian CID TrueType Identity-H yes yes yes 135 0 Jhove (Rel. 1.28.0, 2023-05-18) Date: 2025-02-15 02:46:18 CET RepresentationInformation: pmc_11639915.pdf ReportingModule: PDF-hul, Rel. 1.12.4 (2023-03-16) LastModified: 2025-02-12 02:33:12 CET Size: 926423 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 295 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: section.1 Item: Title: Materials and Methods Destination: section.2 Children: Item: Title: Animals, Housing and Diets Destination: subsection.2.1 Item: Title: Statistical Analysis Destination: subsection.2.2 Item: Title: Results Destination: section.3 Item: Title: Discussion Destination: section.4 Item: Title: Conclusions Destination: section.5 Item: Title: References Destination: appendix.A. Info: Title: Effect of Longer Pre-Starter Diet Allowance on Post-Weaning Performance of Lightweight Piglets Author: Francesc González-Solé, David Solà-Oriol, Sandra Villagómez Estrada, Ramon Muns and José Francisco Pérez Subject: First-phase diets are formulated to help pigs reach a target body weight before switching to a more affordable diet. However, these transitions typically take place on a fixed schedule, which may disadvantage low-body-weight piglets due to their underdeveloped digestive systems and limited feed intake capacity. This study examined the effects of offering low-body-weight (BW) pigs a pre-starter diet until they reached a target BW on growth performance and BW variability. A total of 528 pigs ([Landrace Yorkshire] Pietrain), weaned at day 21, representing the smallest 50% of their batch, were divided into medium (5.35 0.31 kg) and small (3.97 0.21 kg) groups based on weaning BW. Pigs received a pre-starter diet either for 10 days (FIXED) or until they reached a target BW of 7.9 kg (TBW), followed by a starter feed. Growth performance between the TBW and fixed strategies was similar over the 36-day period. Overall, mortality was higher in small pigs, though small pigs fed using the fixed strategy showed higher mortality than the rest of the groups between days 10 and 36. This study concludes that offering a pre-starter diet based on target BW, instead of a fixed time, did not significantly improve growth performance or batch uniformity but reduced mortality in small pigs from days 10 to 36. 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